Railway motor-truck.



No. 831,948. PATENTBD SEPT. 25, 1906. G. S. GUNDBRSEN.

RAILWAY MOTOR TRUCK.

APPLIoATIoN FILED JUNE 19,1903. RENEWED Arx. 1z 190e.

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G. S. GUNDERSEN. RAILWAY MOTOR TRUCK. PPLIOATIOH rILnD JUNE 19. 190s.nmuiwm APB. 12, 1906.

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PATBNTED SEPT. 25, 1906.

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G. S. GUNDERSEN.

RAILWAY MOTORYTRUGK.

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GILBERT S. GUNDERSEN, OF COLUMBUS, INDIANA.

RAILWAY MOTOR-TRUCK.

specicationof Letters Patent.

Patented Sept. 25, 1906.

Application iled June 19,1903. Renewed April 12, 1906- Serial No.311,243.

To all whom t may concern:

Be it known that I, GILBERT S. GUNDER- SEN, a citizen of the UnitedStates, residing at Columbus, in the county of Bartholomew and State ofIndiana, have invented a new and useful Railway Motor-Truck, of whichythe following is a specification.

My invention relates to improvements in.

as to a mit of its being operated at various.

speeds third, to provide a truck of such construction as to admit of itso eration from the vestibule -in either end of t e car; fourth,

to provide a truck of such construction as to admit of its beingreversed or to run either forward or backward; fth, 4to provide a truckhaving a simple and effective means of applying the power from the crankor motor shaft on both the front and rear axles; sixth, to provide atruck having friction-clutches of such construction as to admit of thecar being started slowly, thus preventing undue strain of the machineryand the unpleasant effects to the passengers of a sudden movement of thecar.

The above features and the other features of my invention will beunderstoodv from the accompanying drawings and the following descriptionand claims.

Figure 1 is a side elevation of atruck, showing an engine securedthereto and a part of the track. Fig. 2 is an end elevation of the truckwith a transverse section of the track. Fig. 3 is a plan view of atruck, parts broken away. Fig. 4 is a longitudinal vertical section ofapart ofthe floor of a car, parts cen` trally broken away, and also of atruck on the line 4 4 of Fig. 3, showing the clutch not operated. Fig.5is the same, showing the clutch operated. Fig. 6 is atransverse'section of the driving-shaft and adjacent means Fig. 7 issubstantially a horizontal section on the line 7 7 of Fig. 4, showingonly the driving-shaft and axle and adjacent parts.

10 represents the bottom of the car that is mounted on the truck.

11 represents the railway-track, and 12 the rails.

There areA two trucks under the car, 011e under each end. Only ,one ofthese trucks is shown, as they are duplicates.

The truck-wheels 13 are rigidly secured on the axles 14 and 114, therebeing four wheels and two axles on each truck. The axles are mounted inj ournal-bearings 15, which are rigidly secured between the bars 16.There is a pair of bars, 16 at each side of the truck, and thejournal-bearings at each side of the truck are secured between thetwobars 16 near each end thereof. Between each pair of bars 16 there ishitched a spring 17. The ends of the springs are connected with knuckles18, that are secured to and depend from 'the bars 16, as shown in Figs.4 and 5.

These sprin s 17 andthe bars 16 receive the Whole weight of thetruck-frame and car above.

The truck-frame is mounted on the springs 17. In the rst place there isa pair of longitudinally-extending bars 19, one pair 'at each side ofthe truck, centrally mounted on the spring 17 by means of a block 20 anda strap 21, and the ends of said bars 19 extend over the axles, andbetween the ends of each pair of bars 19 a pair of downwardly-extendingguide-brackets 22 are secured. These guidebrackets extend on each sideof the journalbearin loosely and have a connecting-plate 23 at t eirlower end. Therefore the bars 1-9 and the guide-brackets 22 arevertically movable independent of the axles and journal-bearings.

Between and centrally upon each pair of bars 19 there is secured a block24, and upon the blocks 24, one at each side of the truck, thecross-'bar 25 is secured, completing the truck-frame. The bar, 25 is anangle-bar, havingan upwardly-extending flange al'ong .each edge, asshown in Figs. 4 and 5. Midway upon said bar there is secured a'swiveled plate 26, as seen in Fig; 3. i The car is mounted upon saidswiveled plate in a Wellknown manner.

Upon each lend of the four longitudinal bars 16 connected with eachtruck there is mount- 'ed a pair of cross-bars 30,wit' h the ends ther`eof curved, as shown in Fig. 2, .and secured to each side of a block 31,that is integral with' the cylinder 32 of theengine at the side of thetruck. These cross-bars 30 are strengthened by truss-rods .33, connectedat their ends and centrally supported on a strut 34. The cross-bars 30extend laterally beyond the IOO wheels 13 and the frame of the truck, sothat the engines are mounted outside the truckframe and wheels, twoengines orcylinders on each side of each truck. The pair of engines orcylinders on each side of each truck are connected by a frame 35, thatis herein shown integral with the cylinders, which at each end is formedinto a tubular chamber 36, through which the connecting-rod 37 extendsand also the four piston-rods 38. The two piston-heads in the twocylinders on each side are connected by the four' piston-rods 38, twoabove, as shown in Fig. 3,' and two similar ones directly under them, sothat the two piston-heads workl together 'as one. Power-is transmittedfrom' them through the connecting-rod 37, which is connected'with theiston-head at one end'and'atthe -other en tothe crank 39 of theshaft-40.' Theshaft 40 extends transversely through the'truck, asv

seen in Figs. 3', 6, and 7, and is mounted in bearings 41, that extendinwardly from the engine-frame 35, as shown in Fig. 6. A b'alance-'wheel42 is mounted `on each end of said shaft40 and outside oftheengine-frame. A longitudinal semicylindrical cap 44, as 4shown in Fig.1, closes the opening in 'the top ofthe Said' engine-frame, as disclosedin Fig. 3. Cap 44 and frame 'have van' u'lward and also a downwardextension 45 an 46' to' accommodate the movement ofthe connecting-rod37Urihere isalso a downon the crank 39. wardly-extending flange 47frorn'the engineframe for the purpose of reinforcing it.

On the inside of each en ine-frame 35' there is secured ahorizontly-curved or radial guide 48, mounted'upon the springs 49. Asshown in Fig.' 3, thel guides "on each side `arecurved 'concentric withthe swiveledi plate` 26, andl bearing-blocks 50, secured to theinside ofthe car, rest loosely u on said guides. This construction permits t etruck to have a swivel movement independent of the car.

The shaft 40jis1preferab'ly formed in the manner shown in igs. 6 and'7of two ends coupled by the coupling 51. Itis also turned down somewhatwithin the `bearings 41, as shown.

The power is transmitted from the shaft 40 to the axles as follows: Thecar is driven forward by power transmitted from the shaft'40 Z to theaxle 14, and the car is driven backward or reversed by both axlesu14 and114 y said shaft. Attention vwill first be given to the means fordriving the car forward. On vthe` shaft-40 there is a rigidly-mountedpinion '55,y that-mesheswith a larger gear 56, that is loosely mountedon the axle 14. from lateral movement on the 'axle by thecollars 57 and58. The axle is driven at a slow speed through the'gears'55 and 56. Itis driven at'a higlrsp'eed through the'large ower transmitted to Thislatter wheel is held' on the other side. The large gear-wheels 56 and 60are engaged by vclutches 63 and 64, re-

These are spectively, as shown in Fig. 7. shown herein as'friction-clutches, being tapering and entering a flaring seat in theside of the gear-wheels, but any other sort of clutch may be'employed Itis-necessary, however, that said clutches be connected so that only oneycan be operated at atime.

When the car is being started and it is going'at slow speed, only theclutch 63 is thrown into engagement. That drives the axle through thewheel 56. Afterthe car has been started and a higher speed isdesiredthat clutch is released and the other clutch 64 is thrown intoengagement with the whee160: In Fig. 7 both clutches'are shown out ofengagement. Each clutch has connected with it andas apart of it a hub65,l

by pins 68', extending through openings 69 in stra S70.

T 'ere are two pins-68', one extending'up- Ward, as appears in Fig. 3,and the other (not shown) extending 'downward diametrically oppositethe'pin'shown. The straps 7() are at opposite ends pivotally connectedwith downwardly-extending brackets' 7-1 and' 72. The former bracket (seeFig. 4) is connected with the cross-bars 30, and the latter bracket 72is secured to the bottom of the wide crossbar- 25. ally connected withthe crank-shaft'74, which is at its upper end mounted vertically in abracket 75, that is secured to the under side ofthe endfof alongitudinal plate 76, which in-turn is securedto the under side of thewide cross-bar '25, las seen in Fig. 4. Consequently when thecrank-shaft 74 is turned in one direction it will throw one of saidclutches in'to engagement and the other out, and the reverse is true,because said clutches feed in opposite directions, as seen in Fig. 7.When the crank-shaft is in an intermediate position, as shown in Fig. 7,neither clutch will "be in engagement.

The clutches above described are actuated through the crank-shaft 75 bythe bevel-pinion 77, secured on the upper end of the'crankshaft 74, andth'e companion bevel-pinion 78 is secured on a longitudinally extendingshaft 79', that extends under the plate 76 and is mounted in the u perpart of the bracket 75 and also in abearlng 1 79 at the other end' ofthe plate 76. Said shaft 79 is coupled at each end with another shaft-80by a knuckle- IOO The two straps 70 are both pivot- IIO joint 81, andthe shafts 80 are connected by knuckle-joints 82V to other shafts 83,that are mounted in brackets 84, secured on the under side of the twoends of the floor of the car. A bevel-pinion 85 is secured on each shaft83 and meshes with the pinion 86, secured on the lower end of thevertical shaft 87, that extends up through the floor of the car and hasa hand-wheel 88 on the upper end thereof for the use of the motorman.With this mechanism, therefore, the clutches 63 and 64 may be actuatedfrom either 4end of the car for throwing the driving mechanism into andout of gear or for changing from a slow-speed to a high-speed drivingmechanism, or vice versa.

Turning now to the means for driving the car backward or reversing,'there is a double sprocket-wheel 9() mounted loosely on the shaftbetween the collars 91. (See Fig. 6.) From said sprocket-wheel 90 ashort chain 92 runs to a sprocket-wheel 93 on the axle 14, and a longchain 94 runs to asprocketwheel 95 on the other axle 114. The doublesprocket-wheel 90 is thrown into and out of operative connection withthe shaft 40 by a clutch 96, made like either of the clutches 63 or 64,and atrone end the band 70 is pivoted to a bracket 97, mounted on theside of one of the longitudinal bars 19. The other end of the strap 70and the clutch are actuated by a crank-shaft 74 in a bracket 98, securedto the under side of the plate that is secured to the under side of thewide crossbar 25, as seen in Fig. 5. The pinion 78 is mounted on a shaft99, similar to the shaft 79, and connected with shafts 100 byknucklejoints 101, and the shafts 100 are connected with shafts 102 byknuckle-joints, and the pinions 103 and 104 are mounted, like thepinions 85 and 86, on a bracket 105, just like the bracket 84, and thepinion 104 is in the lower end of the shaft 106 with a hand-wheel 107arranged similar to the same parts 87 and 88, heretofore described.Therefore at each end of the car there are two handwheels for themotorman to operate, one for moving forward and the other for reversing.The two trucks are similarly situated under the car and the lines ofshafting 79 and 80 in the one instance and 99 and 100 in the otherlinstance, through both trucks, under the same car from one end of thecar to the other and operate upon similar clutches in both trucks toproduce the same effect on each truck, so that the clutches in bothtrucks are.

operated simultaneously and by a single means. No means are here shownto vary the speed when running in the reverse direction.

What I claim as my invention, and desire to secure by Letters Patent,is-

1. In a railway motor-truck having suitable axles and wheels, a framemounted thereon by means of bearings between the wheels, an en inemounted in connection with each side c said frame outside the wheels,pistonrods connecting the pistons of the engine at each side,aicrank-shaft mounted in connection with said frame transverselythereof, a connecting-rod for transmitting power from the pistons to thecrank-shaft, and means for transmitting power from the crank-shaft to anaxle. l

2. In a railway motor-truck having suitable axles and wheels, a framemounted on said axles, a pair of oppositely-placed engine-cylindersmounted in connection with said frame, a casing extending from one ofsaid cylinders to the other that may be closed, a crank-shaft mounted onthe frame with the crank thereof Within said casing, piston-rods withinsaid casing connecting the pistons of the two cylinders, aconnecting-rod within the casing for transmitting power from the pistonsto the crank of the crank-shaft, and means for transmitting power fromthe crankshaft to an axle.

3. In a railway motor-truck having suitable axles and wheels, a framemounted on said axles, a pair of oppositely-placed enginecylindersmounted in connection with said frame, a crank-shaft extending betweensaid cylinders with the crank thereof in line with said cylinders, fourpiston-rods connecting the pistons in said cylinders, two being aboveand two below and out ofthe way of the crank on the crank-shaft, aconnecting-rod for transmitting power from the engines to the crank ofthe crank-shaft, a casing connecting the two engine-cylinders thatsurrounds the piston-rods, connecting-rod, and crank of the crank-shaftand with its central and upper portion removable, said casing havingdownwardly and upwardly extending portions to accommodate the movementof the crank, connecting-rod, and piston-rods, and means fortransmitting power from the crank-shaft to an axle.

4. In a railway motor-truck having suitable axles and wheels, a framemounted thereon by means of bearings between the wheels, said frameconsisting of longitudinal bars located between the wheels andtransverse bars carried by said lon itudinal bars, said transverse barsextending laterally beyond the wheels, engines mounted on the ends ofthe transverse bars of said frame that extend beyond the wheels so thatsaid engines will be outside the wheels on both sides of the truck, atransverse crank-shaft mounted in connection with theframe and having acrank thereon beyond the wheels on each side and in line with theengines and driven by said engines, and means located between the wheelsfor transmitting power from the crank-shaft to an axle. y

5. In a railway motor-truck having suit-- IIO able axles and wheels, aframe mounted on said axles by means of bearings between the wheels,said frame consisting of longitudinal bars between the wheels andtransverse bars mounted on said longitudinal bars at each end of thetruck with the ends thereof extending laterally beyond the wheels,enginecylinders secured to each end of said transverse bars so thatthere are four cylinders to a truck, two on each side and all outsidethe wheels, a rigid casing connecting the cylinders at each side so thatthe casing together with said transverse bars of the frame will hold thecylinders and associate parts in place, a crank-shaft mounted.transversely l between the wheels of the truck and in connection withthe frame and extending through the casing connecting the cylinders andwith acrank thereon within each casing, pistonrods connecting thepistons in each pair of cylinders, a connecting-rod for transmittingpower from each pair of cylinders to the crank-shaft, and means locatedbetween the the wheels for' transmitting power from the crank-shaft toan axle.

6. In a railway motor-truck having suitable axles and wheels, a framemounted on said axles by means of bearings between the wheels, saidframe consisting of longitudinal bars between the wheels and transversebars J mounted on said longitudinal bars at each end of, the truck withthe ends thereof extending laterally beyond the wheels, enginecylinderssecured to each end of said transverse bars so that there are fourcylinders to a truck, two on each side and all outside the wheels, arigid casing connecting the cylinders at each side so that the casingtogether with said transverse bars ot the frame will hold the cylindersand associate parts in place a crank-shaft mounted transversely betweenthe wheels of the truck and in connection with the frame and extendingthrough the casing connecting the cylinders and with a crank thereonwithin each casing, pistonrods connecting the pistons in each pair ofcylinders, a connecting-rod for transmitting power from each pair ofcylinders to the crank-shaft, means located between the wheels fortransmitting ower from the crank-shaft to an axle, an a balance-wheel oneach end of said crank-shaft.

7. In a railway motor-truck having an axle, a crank-shaft paralleltherewith, means for driving the crank-shaft, a pinion secured on theaxle and another pinion secured on the crank-shaft, a gear-wheel looselymounted on the crank-shaft to mesh with the pinion on the axle, andanother gear-wheel loosely mounted on the axle to mesh with the pinionon the crank-shaft, a clutch mounted on the axle in connection with thegear thereon, and a clutch mounted on the crank-shaft in connection withthe loose gear on it, and means for operating and controlling saidclutches.

8. In a railway motor-truck having a suitable axle, a crank-shaftparallel therewith, means for driving the crank-shaft, a pinion securedon the axle and another pinion secured on the crank-shaft, a gear-wheelloosely mounted on the crank-shaft to mesh with the pinion on the axleand another gearwheel loosely mounted on the axle to mesh with t-hepinion on the crank-shaft, a clutch mounted on the axle in connectionwith the gear thereon, and a clutch mounted on the crank-shaft inconnection with the loose gear on it, and a single means forsimultaneously throwing one of s'aid clutches into connection with itsgear andthe other clutch out of connection with its gear. l

9.- In a railway motor-truck having a suitable axle, a crank-shaftparallel therewith, means for driving the crank-shaft, a pinion securedon the axle and anotner pinion secured on the crank-shaft, a gear-wheellgear thereon and another clutch mounted on the crank-shaft in connectionwith the loose gear on it, means for operating and controlling saidclutches, and means operated from either end of the car with which thetruck may be connected for operating said clutches.

10. In a railway motor-truck having suitable axles and wheels, a framemounted on the axles, a driving crank-shaft mounted in connection withthe frame parallel with the axles, two independent means fortransmitting power from the crank-shaft to an axle, a pair of clutchesmovable in opposite directions for throwing said power-transmittingmeans into and out of operation, a band surrounding each clutch andconnected therewith so that the movement of the band will cause themovement of the clutch, means for pivotally connecting saidclutch-moving ands at their adjacent ends, means connected with theframe to which the outer ends of said clutch-moving bands are pivotallyconnected, and means for laterally moving said bands midway between thetwo so that when the bands are moved in one direction IOO one of theclutches will be released and the Y other moved into engagement.

11. The combination with a car, of a double set of trucks, an enginemounted at each side of each truck, all said engines coperating to drivethe car, and means for simultaneously operating and controlling saidpower transmission.

l2. The combination with a car, of a double set of trucks, each truckbeing provided with a driving-shaft, two means for transmitting powerfrom the driving-shaft to an axle of each truck, a pair of clutches ineach truck for throwmg sald poWer-transmlttmo' means lnto and out ofoperat1on so arrange that they -Will throw one power-transmitting meansout of operation when itis move-d to throw the other powerpower-transmitting means into operation, and means for smultaneously andsimilarly operating and controlling the clutches and power-transmittingIo means on the tWo trucks.

